3-12379784-G-T

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP2

The NM_138711.6(PPARG):​c.73G>T​(p.Asp25Tyr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D25N) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Consequence

PPARG
NM_138711.6 missense

Scores

3
9
7

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.99

Publications

0 publications found
Variant links:
Genes affected
PPARG (HGNC:9236): (peroxisome proliferator activated receptor gamma) This gene encodes a member of the peroxisome proliferator-activated receptor (PPAR) subfamily of nuclear receptors. PPARs form heterodimers with retinoid X receptors (RXRs) and these heterodimers regulate transcription of various genes. Three subtypes of PPARs are known: PPAR-alpha, PPAR-delta, and PPAR-gamma. The protein encoded by this gene is PPAR-gamma and is a regulator of adipocyte differentiation. Additionally, PPAR-gamma has been implicated in the pathology of numerous diseases including obesity, diabetes, atherosclerosis and cancer. Alternatively spliced transcript variants that encode different isoforms have been described. [provided by RefSeq, Jul 2008]
PPARG Gene-Disease associations (from GenCC):
  • PPARG-related familial partial lipodystrophy
    Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics, G2P, Genomics England PanelApp
  • Berardinelli-Seip congenital lipodystrophy
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant in the PPARG gene, where missense mutations are typically associated with disease (based on misZ statistic). The gene has 16 curated pathogenic missense variants (we use a threshold of 10). The gene has 5 curated benign missense variants. Gene score misZ: 2.1192 (below the threshold of 3.09). Trascript score misZ: 3.0978 (above the threshold of 3.09). GenCC associations: The gene is linked to PPARG-related familial partial lipodystrophy, Berardinelli-Seip congenital lipodystrophy.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
PPARGNM_138711.6 linkc.73G>T p.Asp25Tyr missense_variant Exon 3 of 8 ENST00000651735.1 NP_619725.3 P37231E9PFV2D2KUA6

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
PPARGENST00000651735.1 linkc.73G>T p.Asp25Tyr missense_variant Exon 3 of 8 NM_138711.6 ENSP00000498313.1 E9PFV2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Cov.:
32
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.18
BayesDel_addAF
Uncertain
0.11
D
BayesDel_noAF
Benign
-0.090
CADD
Pathogenic
27
DANN
Uncertain
1.0
DEOGEN2
Benign
0.26
.;T;.;.;.;.;.;.;.;T;T;T;T
Eigen
Pathogenic
0.77
Eigen_PC
Pathogenic
0.79
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.96
.;.;.;.;.;.;.;.;D;.;.;D;D
M_CAP
Uncertain
0.11
D
MetaRNN
Uncertain
0.64
D;D;D;D;D;D;D;D;D;D;D;D;D
MetaSVM
Benign
-0.31
T
MutationAssessor
Benign
1.8
.;.;.;.;.;.;.;.;.;.;.;.;L
PhyloP100
9.0
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
-1.8
N;N;N;N;.;.;.;D;N;N;D;N;N
REVEL
Uncertain
0.39
Sift
Uncertain
0.0010
D;D;D;D;.;.;.;D;D;D;D;D;D
Sift4G
Uncertain
0.0050
D;D;D;D;.;.;.;D;D;D;D;D;D
Polyphen
0.98
.;.;.;.;.;.;.;.;.;.;.;D;D
Vest4
0.76
MutPred
0.48
.;.;.;.;.;.;.;.;.;.;.;.;Loss of disorder (P = 0.0168);
MVP
0.59
MPC
0.62
ClinPred
0.97
D
GERP RS
5.8
PromoterAI
-0.015
Neutral
Varity_R
0.35
gMVP
0.61
Mutation Taster
=11/89
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs2049564404; hg19: chr3-12421283; API